CN219174535U - Quantum furnace infrared temperature measuring device and quantum furnace with temperature monitoring function - Google Patents
Quantum furnace infrared temperature measuring device and quantum furnace with temperature monitoring function Download PDFInfo
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- CN219174535U CN219174535U CN202222393449.1U CN202222393449U CN219174535U CN 219174535 U CN219174535 U CN 219174535U CN 202222393449 U CN202222393449 U CN 202222393449U CN 219174535 U CN219174535 U CN 219174535U
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Abstract
The quantum furnace infrared temperature measuring device comprises a connecting block, an oxygen gun core, an oxygen inlet pipeline, a transparent isolating piece and an infrared temperature measuring device, wherein an oxygen passage is arranged in the connecting block, the oxygen gun core and the oxygen inlet pipeline are respectively connected with the end part of the oxygen passage, the transparent isolating piece is arranged on the inner wall of the oxygen passage, the infrared temperature measuring device is isolated from the oxygen passage 6 by the transparent isolating piece, and the temperature measuring path of the infrared temperature measuring device coincides with the axis of a nozzle of the oxygen gun core. The utility model has the beneficial effects that the temperature of the front part of the temperature measuring oxygen lance of the non-contact temperature measuring equipment is provided, the production operation is guided by monitoring the change of the temperature in real time, the problem of equipment damage caused by blind operation due to no temperature measuring device in the existing equipment is avoided, and the operations such as adding scrap steel or tapping can be timely prompted after the scrap steel is melted. The two aspects can reduce production downtime, improve smelting rhythm, reduce energy consumption, save steelmaking cost and the like.
Description
Technical Field
The utility model relates to the field of steelmaking, in particular to an infrared temperature measuring device of a quantum furnace and the quantum furnace with a temperature monitoring function.
Background
At present, a plurality of quantum arc furnaces are installed in the world, the problems of low preheating temperature of waste steel, high energy consumption and the like are solved by the quantum furnaces, but due to the fact that the concentration of the waste steel is relatively high, the waste steel at the lower part of a vertical shaft cannot be immediately melted into molten steel, a plurality of auxiliary smelting coherent oxygen guns are installed on the side wall of the vertical shaft of the quantum furnaces, the strength of oxygen of the coherent oxygen guns is sequentially increased according to the increase of the power consumption of ton steel in the fluxing process of the coherent oxygen guns, water leakage of the coherent oxygen guns and a burner panel cannot be caused under normal conditions, once the situation that the local waste steel is slowly melted, oxygen returns to burn out the burner panel, the oxygen guns or a water cooling wall is caused to water leakage, the furnace is required to be stopped for processing, and huge hidden hazards are caused for production operation.
Disclosure of Invention
The utility model overcomes the defects in the prior art and provides an infrared temperature measuring device of a quantum furnace and the quantum furnace with a temperature monitoring function.
The aim of the utility model is achieved by the following technical scheme.
The quantum furnace infrared temperature measuring device comprises a connecting block, an oxygen gun core, an oxygen inlet pipeline, a transparent isolating piece and an infrared temperature measuring device, wherein an oxygen passage is arranged in the connecting block, the oxygen gun core and the oxygen inlet pipeline are respectively connected with the end part of the oxygen passage, the transparent isolating piece is arranged on the inner wall of the oxygen passage, the infrared temperature measuring device is separated from the oxygen passage by the transparent isolating piece, and the temperature measuring path of the infrared temperature measuring device coincides with the axis of a nozzle of the oxygen gun core.
The oxygen passage is a T-shaped pipeline.
The infrared temperature measuring device comprises a temperature measuring element, a protective sleeve and a sealing piece, wherein the end part of the temperature measuring element is arranged in a detection cavity on the connecting block, the detection cavity is communicated with the oxygen passage, the detection cavity and the oxygen passage are isolated through the transparent isolating piece, the protective sleeve is arranged on the outer side of the temperature measuring element in a nested mode, one end of the protective sleeve is fixedly connected with the connecting block, and the other end of the protective sleeve is provided with a sealing piece for sealing the end part.
And a sealing ring is arranged at the connecting part of the transparent isolating piece and the oxygen passage.
The oxygen lance is characterized in that a nozzle device is arranged on the connecting block and the oxygen lance core, the nozzle device comprises a gas transmission device, a cooling device, an inner nozzle and an outer nozzle, the gas transmission device is arranged on the outer side of the oxygen lance core, the inner nozzle and the outer nozzle are arranged on the nozzle part of the oxygen lance core, and the cooling device is arranged outside the gas transmission device and the outer nozzle in a nested mode.
The gas transmission device comprises a connecting fixing piece, a first gas passage sleeve, a gas inlet sleeve and a second gas passage sleeve, wherein the connecting fixing piece is nested to be arranged on the outer side of the oxygen lance core, one end of the connecting fixing piece is fixedly connected with the connecting block, the other end of the connecting fixing piece is fixedly connected with the end part of the first gas passage sleeve, the first gas passage sleeve is nested to be arranged on the outer side of the oxygen lance core, a first gas passage is formed between the first gas passage sleeve and the oxygen lance core, one end of the first gas passage is communicated with a first gas inlet pipeline arranged on the gas inlet sleeve, the other end of the first gas passage is communicated with the outer nozzle, the gas inlet sleeve is arranged on the outer side of the first gas passage sleeve, a gas communication cavity is formed between the gas inlet sleeve and the first gas passage sleeve, a second gas passage sleeve is nested to be arranged on the outer side of the first gas passage sleeve, a second gas passage is formed between the second gas passage sleeve and the inner space of the cooling device, and one end of the second gas passage is communicated with the second gas inlet pipeline arranged on the gas inlet sleeve through the gas communication cavity.
The cooling device is nested to be arranged at the outer side of the second gas passage sleeve, the inner wall of the cooling device is contacted with the outer wall of the second gas passage sleeve and the outer wall of the outer nozzle, the cooling device is provided with a water inlet pipeline and a water return pipeline, and the water inlet pipeline and the water return pipeline are communicated through a cooling passage arranged in the cooling device.
The inner nozzle is arranged at the nozzle part of the oxygen lance core, the outer nozzle is nested and arranged at the outer side of the inner nozzle, and the outer nozzle is fixedly connected with the end part of the first gas passage sleeve.
The circular arrays on the inner wall and the outer wall of the outer nozzle are provided with gas nozzles, and the gas nozzles on the inner wall and the outer wall are respectively communicated with the first gas passage and the second gas passage.
A quantum furnace with a temperature monitoring function comprises the quantum furnace with the temperature measuring device.
The beneficial effects of the utility model are as follows: the scheme provides a temperature of non-contact temperature measurement equipment temperature measurement oxygen rifle front portion, through real-time supervision temperature's change, guides production operation, has avoided there being not the problem that temperature measuring device leads to the equipment damage that the blind operation caused in the existing equipment, can in time indicate to add operations such as steel scrap or tapping after steel scrap melts. The device has the functions of avoiding water leakage caused by opening the oxygen lance when the scrap steel is not completely melted and monitoring the temperature of a molten pool after the scrap steel is completely melted so as to facilitate timely tapping. The two aspects can reduce production downtime, improve smelting rhythm, reduce energy consumption, save steelmaking cost and the like.
Drawings
FIG. 1 is a schematic illustration of the structure of an oxygen lance of the present utility model;
FIG. 2 is a schematic view of a nozzle configuration of the present utility model;
FIG. 3 is a top view of the nozzle structure of the present utility model;
in the figure: 1. a coupling block; 2. an oxygen lance core; 3. an oxygen inlet pipeline; 4. a transparent spacer; 5. an infrared temperature measuring device; 6. an oxygen passage; 7. a temperature measuring element; 8. a protective sleeve; 9. a seal; 10. a detection chamber; 11. a seal ring; 12. a gas delivery device; 13. a cooling device; 14. an inner nozzle; 15. an outer nozzle; 16. connecting a fixing piece; 17. a first gas passage sleeve; 18. an air inlet sleeve; 19. a second gas passage sleeve; 20. a first gas passage; 21. a first air intake line; 22. a gas communication chamber; 23. a second gas passage; 24. a second air intake line; 25. a water inlet pipeline; 26. a water return line; 27. and a cooling passage.
Detailed Description
The technical scheme of the utility model is further described by specific examples.
Examples
The quantum furnace infrared temperature measuring device comprises a connecting block 1, an oxygen gun core 2, an oxygen inlet pipeline 3, a transparent separator 4 and an infrared temperature measuring device 5, wherein an oxygen passage 6 is arranged in the connecting block 1, the oxygen gun core 2 and the oxygen inlet pipeline 3 are respectively connected with the end part of the oxygen passage 6, the transparent separator 4 is arranged on the inner wall of the oxygen passage 6, the transparent separator 4 separates the infrared temperature measuring device 5 from the oxygen passage 6, and the temperature measuring path of the infrared temperature measuring device 5 coincides with the axis of a nozzle of the oxygen gun core 2.
The oxygen passage 6 is a T-shaped pipeline.
The infrared temperature measuring device 5 comprises a temperature measuring element 7, a protective sleeve 8 and a sealing piece 9, wherein the end part of the temperature measuring element 7 is arranged in a detection cavity 10 on the connecting block 1, the detection cavity 10 is communicated with the oxygen passage 6, the detection cavity 10 and the oxygen passage 6 are isolated by the transparent isolating piece 4, the protective sleeve 8 is nested and arranged on the outer side of the temperature measuring element 7, one end of the protective sleeve 8 is fixedly connected with the connecting block 1, and the other end of the protective sleeve 8 is provided with a sealing piece 9 for sealing the end part.
The connection part of the transparent separator 4 and the oxygen passage 6 is provided with a sealing ring 11.
The connecting block 1 and the oxygen lance core 2 are provided with burner devices, each burner device comprises a gas transmission device 12, a cooling device 13, an inner nozzle 14 and an outer nozzle 15, the gas transmission device 12 is arranged on the outer side of the oxygen lance core 2, the nozzle part of the oxygen lance core 2 is provided with the inner nozzle 14 and the outer nozzle 15, and the cooling device 13 is nested outside the gas transmission device 12 and the outer nozzle 15.
The gas delivery device 12 comprises a connecting fixing piece 16, a first gas passage sleeve 17, a gas inlet sleeve 18 and a second gas passage sleeve 19, wherein the connecting fixing piece 16 is nested outside the oxygen lance core 2, one end of the connecting fixing piece 16 is fixedly connected with the connecting block 1, the other end of the connecting fixing piece is fixedly connected with the end part of the first gas passage sleeve 17, the first gas passage sleeve 17 is nested outside the oxygen lance core 2, a first gas passage 20 is formed between the first gas passage sleeve 17 and the oxygen lance core 2, one end of the first gas passage 20 is communicated with a first gas inlet pipeline 21 arranged on the gas inlet sleeve 18, the other end of the first gas passage 20 is communicated with an outer nozzle 15, the gas inlet sleeve 18 is arranged outside the first gas passage sleeve 17, a gas communication cavity 22 is formed between the gas inlet sleeve 18 and the first gas passage 20, a second gas passage sleeve 19 is nested outside the first gas passage sleeve 17, a second gas passage 23 is formed between the second gas passage sleeve 19 and the inside the first gas passage sleeve 17 and the cooling device 13, one end of the second gas passage 23 is communicated with a second gas passage 24 arranged on the sleeve 18 through the gas communication cavity 22, and the second gas inlet pipeline 23 is communicated with the outer nozzle 15.
The cooling device 13 is nested outside the second gas passage sleeve 19, the inner wall of the cooling device 13 is contacted with the second gas passage 23 and the outer wall of the outer nozzle 15, the cooling device 13 is provided with a water inlet pipeline 25 and a water return pipeline 26, and the water inlet pipeline 25 and the water return pipeline 26 are communicated through a cooling passage 27 arranged in the cooling device 13.
The inner nozzle 14 is arranged at the nozzle part of the oxygen lance core 2, the outer nozzle 15 is nested outside the inner nozzle 14, and the outer nozzle 15 is fixedly connected with the end part of the first gas passage sleeve 17.
The circular arrays on the inner and outer walls of the outer nozzle 15 are provided with gas spouts which are respectively communicated with the first gas passage 20 and the second gas passage 23.
A quantum furnace with a temperature monitoring function comprises the quantum furnace with the temperature measuring device.
The working principle of the utility model is as follows, as shown in figure 1, the temperature of the nozzle part of the oxygen lance core 2 is detected by the infrared temperature measuring device 5 to measure the temperature. Specifically, oxygen is conveyed for the oxygen gun core 2 through the oxygen inlet pipeline 3, the transparent isolating piece 4 is used for isolating the detection cavity 10 and the oxygen inlet pipeline 3 and enabling infrared rays to pass through the oxygen inlet pipeline 3 for monitoring the temperature, and the sealing ring 11 is arranged for ensuring the tightness. The infrared temperature measuring device 5 measures temperature through the temperature measuring element 7, the protective sleeve 8 is nested outside the temperature measuring element 7 to play a role in protection and support, and the sealing piece 9 arranged at the tail end of the protective sleeve 8 is used for sealing so that the inside of the protective sleeve 8 is in a sealing state, and the damage to an instrument is avoided, and the service life is prolonged.
On the basis, as shown in fig. 2-3, a burner device can be further arranged on the basis of the embodiment to be used as a burner, the gas transmission device 12 is used for externally connecting epoxy and fuel gas to the outer nozzle 15 for auxiliary combustion supporting, and the cooling device 13 is used for externally connecting cooling water to cool the flame spraying end.
Further, in use, epoxy enters the first gas passage 20 through the gas communication cavity 22 through the first gas inlet pipeline 21 and is then conveyed to a gas nozzle arranged on the inner wall of the outer nozzle 15 for ejection, fuel gas enters the second gas passage 23 through the gas communication cavity 22 through the second gas inlet pipeline 24 and is ejected to a gas nozzle arranged on the outer wall of the outer nozzle 15, and the first gas inlet pipeline 21 and the second gas inlet pipeline 24 are respectively different from the different cavities of the gas communication cavity 22.
Further, the surface of the cooling device 13 is in contact with the second gas passage 23 and the outer wall of the outer nozzle 15, and cooling water is circulated through the water inlet pipe 25, the water return pipe 26 and the cooling passage 27 to cool.
Furthermore, the temperature measuring device is arranged in the quantum furnace to monitor the temperature of the burner in the vertical shaft area of the quantum furnace, so that potential safety hazards caused by tempering due to overhigh temperature at the nozzle of the burner are avoided.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (10)
1. Quantum furnace infrared temperature measuring device, its characterized in that: the oxygen lance comprises a connecting block, an oxygen lance core, an oxygen inlet pipeline, a transparent separator and an infrared temperature measuring device, wherein an oxygen passage is arranged in the connecting block, the oxygen lance core and the oxygen inlet pipeline are respectively connected with the end part of the oxygen passage, the transparent separator is arranged on the inner wall of the oxygen passage, the infrared temperature measuring device is separated from the oxygen passage by the transparent separator, and the temperature measuring path of the infrared temperature measuring device coincides with the axis of a nozzle of the oxygen lance core.
2. The quantum furnace infrared temperature measurement device of claim 1, wherein: the oxygen passage is a T-shaped pipeline.
3. The quantum furnace infrared temperature measurement device of claim 1, wherein: the infrared temperature measuring device comprises a temperature measuring element, a protective sleeve and a sealing piece, wherein the end part of the temperature measuring element is arranged in a detection cavity on the connecting block, the detection cavity is communicated with the oxygen passage, the detection cavity and the oxygen passage are isolated through the transparent isolating piece, the protective sleeve is arranged on the outer side of the temperature measuring element in a nested mode, one end of the protective sleeve is fixedly connected with the connecting block, and the other end of the protective sleeve is provided with a sealing piece for sealing the end part.
4. The quantum furnace infrared temperature measurement device of claim 1, wherein: and a sealing ring is arranged at the connecting part of the transparent isolating piece and the oxygen passage.
5. The quantum furnace infrared temperature measurement device of claim 1, wherein: the oxygen lance is characterized in that a nozzle device is arranged on the connecting block and the oxygen lance core, the nozzle device comprises a gas transmission device, a cooling device, an inner nozzle and an outer nozzle, the gas transmission device is arranged on the outer side of the oxygen lance core, the inner nozzle and the outer nozzle are arranged on the nozzle part of the oxygen lance core, and the cooling device is arranged outside the gas transmission device and the outer nozzle in a nested mode.
6. The quantum furnace infrared temperature measurement device of claim 5, wherein: the gas transmission device comprises a connecting fixing piece, a first gas passage sleeve, a gas inlet sleeve and a second gas passage sleeve, wherein the connecting fixing piece is nested to be arranged on the outer side of the oxygen lance core, one end of the connecting fixing piece is fixedly connected with the connecting block, the other end of the connecting fixing piece is fixedly connected with the end part of the first gas passage sleeve, the first gas passage sleeve is nested to be arranged on the outer side of the oxygen lance core, the first gas passage sleeve is communicated with a first gas inlet pipeline arranged on the gas inlet sleeve, the other end of the first gas passage is communicated with the outer nozzle, the gas inlet sleeve is arranged on the outer side of the first gas passage sleeve, a gas communication cavity is formed between the gas inlet sleeve and the first gas passage sleeve, the second gas passage sleeve is nested to be arranged on the outer side of the first gas passage sleeve, a second gas passage is formed between the second gas passage sleeve and the inner space of the cooling device, one end of the second gas passage is communicated with the second gas inlet pipeline arranged on the gas inlet sleeve through the gas communication cavity, and the other end of the second gas passage is communicated with the outer nozzle.
7. The quantum furnace infrared temperature measurement device of claim 6, wherein: the cooling device is nested to be arranged at the outer side of the second gas passage sleeve, the inner wall of the cooling device is contacted with the outer wall of the second gas passage sleeve and the outer wall of the outer nozzle, the cooling device is provided with a water inlet pipeline and a water return pipeline, and the water inlet pipeline and the water return pipeline are communicated through a cooling passage arranged in the cooling device.
8. The quantum furnace infrared temperature measurement device of claim 6, wherein: the inner nozzle is arranged at the nozzle part of the oxygen lance core, the outer nozzle is nested and arranged at the outer side of the inner nozzle, and the outer nozzle is fixedly connected with the end part of the first gas passage sleeve.
9. The quantum furnace infrared temperature measurement device of claim 8, wherein: the circular arrays on the inner wall and the outer wall of the outer nozzle are provided with gas nozzles, and the gas nozzles on the inner wall and the outer wall are respectively communicated with the first gas passage and the second gas passage.
10. A quantum furnace with a temperature monitoring function, characterized by comprising the quantum furnace infrared temperature measuring device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222393449.1U CN219174535U (en) | 2022-09-09 | 2022-09-09 | Quantum furnace infrared temperature measuring device and quantum furnace with temperature monitoring function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222393449.1U CN219174535U (en) | 2022-09-09 | 2022-09-09 | Quantum furnace infrared temperature measuring device and quantum furnace with temperature monitoring function |
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| CN219174535U true CN219174535U (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222393449.1U Active CN219174535U (en) | 2022-09-09 | 2022-09-09 | Quantum furnace infrared temperature measuring device and quantum furnace with temperature monitoring function |
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| CN (1) | CN219174535U (en) |
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